LG Split Air Conditioner LS-K1864AL English User's Manual and Installation Guide, Product Manual: LG Air Conditioning System LS-K1864AL.

Summary

Master your indoor climate with this comprehensive guide for your air conditioning unit. This manual provides expert instructions covering safe installation, efficient operation, and routine care for maximum performance. It details essential safety precautions (including electrical hazards) and offers thorough troubleshooting tips to help you quickly resolve common cooling issues, ensuring a comfortable experience for all users.

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LG Split Air Conditioner LS-K1864AL English User's Manual and Installation Guide, Product Manual: LG Air Conditioning System LS-K1864AL. - Page 1

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Page 1 Text Content

Room Air Conditioner OWNER'S MANUAL

Please read carefully and thoroughly this manual before operating this unit. Contact the authorized SVC man for repair or maintenance of this unit. Contact the installer for installation of this unit. The appliance is not intended for use by young children or infirm persons without supervision. Young children should be supervised to ensure that they do not play with the appliance.

Prior to installation, this air-conditioning

unit must be submitted for approval by the utility service which provides electricity (EN 60555-3 Norm).

Page Summary Contents For LG Split Air Conditioner LS-K1864AL English User's Manual and Installation Guide, Product Manual: LG Air Conditioning System LS-K1864AL.

Page 1 Room Air Conditioner OWNER'S MANUAL Please read carefully and thoroughly this manual before operating this unit. Contact the authorized SVC man for repair or maintenance of this unit. Contact the inst...

Page 2 Safety precautions Safety Precautions To prevent injury to the user or other people and property damage, the Warning ................................2 following instructions must be followed. Caution ...

Page 3 CAUTION Contact the authorized Service technician for repair or maintenance of this unit. Contact the installer for installation of this unit. The air conditioner is not intended for use by young chil...

Page 4 Preparation before operation How to Insert the Batteries Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the and of battery are installed...

Page 5 About the remote control on the system The remote control transmits the signals to the system. Features of the Remote Control- Door Closed START/STOP BUTTON Operation starts when this button is presse...

Page 6 Features of the Remote Control- Door Opened ON/OFF TIMER BUTTONS Used to set the time of starting and stopping Safety Precautions operation. Signal transmitter TIME SETTING BUTTONS Used to adjust the ...

Page 7 How to use the Operation Mode Selection button Cooling Operation Press the Start/Stop button. The unit will respond with beep. Open the door on the remote control. To select Cooling Operation, press t...

Page 8 Auto Operation Press the Start/Stop button. The unit will respond with beep. Safety Precautions Open the door on the remote control. To select Auto Operation, press the Operation Mode Selection button...

Page 9 Healthy Dehumidification Operation Press the Start/Stop button. The unit will respond with beep. Open the door on the remote control. To select Healthy Dehumidification Operation, press the Operation ...

Page 10 Heating Operation(Heat pump model only) Press the Start/Stop button. The unit will respond with beep. Safety Precautions Open the door on the remote control. To select Heating Operation, press the Ope...

Page 11 Jet Cool Operation Press the Start/Stop button. The unit will respond with beep. Press the Jet Cool button to operate the speed cooling mode and the unit will operate in super high fan speed on coolin...

Page 12 PLASMA Purification Operation(Option) Press the Start/Stop button. The unit will respond with beep. Safety Precautions Open the door on the remote control. Press the PLASMA air purifying operation ON/...

Page 13 Additional features Sleep Mode Press the Mode Auto button to set the To cancel the Sleep Mode, press the sleep Sleep time want the unit to turn off Mode Auto button several times until the star you au...

Page 14 Vertical Airflow Direction Control The up/down airflow (Vertical Airflow) can be Note: by the remote control. If you press the CHAOS swing button, the horizontal adjusted using airflow direction is ch...

Page 15 Slide Switch Operation FORCED OPERATION Slide Switch Operation procedures when the remote control can't be FORCED OPERATION used. Slide the and move the Slide Switch RESTART Open panel upward Switch t...

Page 16 Care and maintenance of the air conditioner CAUTION: Before performing any maintenance, turn off the main power to the system. Indoor Unit and Remote Control Never use any of the followings: Grille, C...

Page 17 Replacement of Purifying Filter(Option) Recomended use period About years Open panel and remove air Remove air purifying filters. filters. Insert new air purifying filters. Air filter Reinsert air fil...

Page 18 When the air conditioner is not to be used for time. going long When air conditioner is not going to be When the air conditioner is to be used again. used for long time. Safety Precautions Operate the...

Page 19 Before you call for service... Save time and money! Troubleshooting Tips! Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or servi...

Page 20 P/No.: 3828A30048B Printed in Korea

Manual Details

Brand	LG
Pages	20
File Size	423.42 KB
Published	June 03, 2026

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Frequently Asked Questions

Who should perform the installation of this unit?

Contact the authorized dealer or specialist for installation work.

What should I do if the air conditioner is not cooling or heating effectively?

Check if the air filter is dirty and clean it according to instructions. Also verify that temperature is set correctly and vents are unobstructed.

Does connecting the power plug properly prevent shocks/fires?

Improper connection can cause electrical shock, fire, or damage due to heat generation.

What sound should I listen for related to normal operation?

A water flowing noise indicates freon inside the unit; a releasing air sound from the indoor unit is normal when dehumidifying air.